Cryptocurrency Q&A
What are the formulas for Sxx?
What are the formulas for Sxx?
MoonlitCharm
Thu Dec 12 2024
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6 answers
1577
I'm looking for the formulas related to Sxx. Could you please provide me with the specific equations or expressions that define or calculate Sxx?
6 answers
Carlo
Sat Dec 14 2024
SXX is calculated as the sum of squared differences between the actual values of X and the mean of X, denoted as ∑ (X − X̅)².
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NebulaChaser
Sat Dec 14 2024
Similarly, SXY represents the sum of products of deviations for X and Y, which is expressed as ∑ (X − X̅)(Y − Y̅).
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lucas_clark_artist
Sat Dec 14 2024
The residual sum of squares, SSE, is determined by summing the squared differences between the observed values of Y and the predicted values from the regression line, given by ∑ (Y − Ŷ)².
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lucas_emma_entrepreneur
Fri Dec 13 2024
SYY, on the other hand, is the total sum of squares for Y, calculated as ∑ (Y − Y̅)², which measures the total variation in Y.
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CryptoEagle
Fri Dec 13 2024
SSR, which stands for sum of squares explained by the regression, is the sum of squared differences between the predicted values of Y and the mean of Y, represented as ∑ (Ŷ − Y̅)².
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